lab4-2_Procedure

CREATE PROCEDURE dbo.ProcCalculator
(
	@opd1 bigint,
	@opd2 bigint,
	@oprt char(1) = '*',
    @result bigint OUTPUT 
)
AS
BEGIN
	set @result =
	   case @Oprt
	     when '+' then @opd1 + @opd2
		 when '-' then @opd1 - @opd2
		 when '*' then @opd1 * @opd2
		 when '/' then @opd1 / @opd2
		 else 0
    end
END
GO

declare @result bigint
EXEC ProcCalculator 2, 5, '*', @result OUTPUT
PRINT @result

DROP PROCEDURE dbo.ProcCalculator
GO



CREATE Procedure Parse
(
	@string varchar(500)
)
AS
BEGIN
	DECLARE @Str1 nvarchar(500), @Pos int 
	SET @Str1 = @String

	WHILE 1 > 0 
	BEGIN
	  SET @Pos = CHARINDEX(' ', @Str1) 
	  IF @POS > 0
      BEGIN
	    INSERT INTO @table
        VALUES (SUBSTRING (@Str1, 1, @Pos)) 
		SET @Str1 = REPLACE(@Str1, SUBSTRING (@Str1, 1, @Pos), '')

	  END
      ELSE 
	  BEGIN
         INSERT INTO @table VALUES (@Str1) 
		 BREAK
     END 
	END 
    
	RETURN
END
GO